What are the human factors and weather factors of the air crash?

Human factors are mainly crew errors, which are divided into ground and pilots. People on the ground ensure that the plane is not damaged and the fuel quality is guaranteed, while the crew on the plane controls the plane to complete the flight. The weather factor is the cause of the weather. The weather that mainly causes plane crashes includes rainstorm, typhoon, tornado, hurricane, microburst, lightning, wind shear and so on.